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AR-M550/M620 MAINTENANCE LIST 11 - 2
(Document scan section)
Transport
section/
paper exit
reverse
section/
duplex section
section/
paper exit
reverse
section/
duplex section
1
PS follower roller
✕
❍
❍
❍
❍
❍
❍
❍
❍
2
Transport rollers
✕
❍
❍
❍
❍
❍
❍
❍
❍
3
Transport paper guides
❍
❍
❍
❍
❍
❍
❍
❍
❍
4
Discharge brush
✕
✕
✕
✕
✕
✕
✕
✕
✕
5
Shaft (Conductive grease)
✕
✕
✕
✕
✕
✕
✕
✕
✕
UKOG-0012QSZZ
6
Paper dust cleaner
✕
▲
▲
▲
▲
▲
▲
▲
▲
Drive section
1
Gear (Grease)
✕
✕
✕
✕
✕
✕
✕
✕
✕
UKOG-0307FCZZ
2
Gear (Grease)
✕
✕
✕
✕
✕
✕
✕
✕
✕
UKOG-0299FCZZ
3
Gear (Grease)
✕
✕
✕
✕
✕
✕
✕
✕
✕
UKOG-0062FCZZ
4
Gear (Grease)
✕
✕
✕
✕
✕
✕
✕
✕
✕
UKOG-0235FCZZ
5
Gear (Conductive grease)
✕
✕
✕
✕
✕
✕
✕
✕
✕
UKOG-0012QSZZ
6
Belts
✕
✕
✕
✕
✕
✕
✕
✕
Image-related
sections
sections
1
✕
✕
✕
✕
✕
✕
✕
✕
✕
AR-M550U/M550N (PM: 250K)
When
calling
250K 500K 750K 1000K 1250K 1500K 1750K 2000K
Remark
AR-620U/M620N (PM: 300k)
300K 600K 900K 1200K 1500K 1800K 2100K 2400K
Unit name
No. Part name
Optical section
1
Mirror, lens, reflector, sensors
❍
❍
❍
❍
❍
❍
❍
❍
❍
2
Table glass/ Dust-proof glass/ OC
❍
❍
❍
❍
❍
❍
❍
❍
❍
3
White reference glass
❍
❍
❍
❍
❍
❍
❍
❍
❍
4
Rails
✩
✩
✩
✩
✩
✩
✩
✩
5
Drive belt, drive wire, pulley
✕
✕
✕
✕
✕
✕
✕
✕
SPF
Paper feed/
Transport
section
Transport
section
1
Paper feed roller
❍
❍
❍
❍
❍
❍
❍
❍
❍
(Note 1)
2
Pickup roller
❍
❍
❍
❍
❍
❍
❍
❍
❍
(Note 1)
3
Separation roller
❍
❍
❍
❍
❍
❍
❍
❍
❍
(Note 1)
4
No. 1 resist roller (Drive)
❍
❍
❍
❍
❍
❍
❍
❍
❍
5
Torque limiter
✕
✕
✕
✕
✕
✕
✕
✕
(Note 1)
6
Transport roller 1 (Drive)
❍
❍
❍
❍
❍
❍
❍
❍
❍
7
Transport roller 2 (Drive)
❍
❍
❍
❍
❍
❍
❍
❍
❍
8
Exposure section (CIS unit)
❍
❍
❍
❍
❍
❍
❍
❍
❍
Paper exit
section
section
9
No. 2 resist roller (Drive)
❍
❍
❍
❍
❍
❍
❍
❍
❍
10
Paper exit roller (Drive)
❍
❍
❍
❍
❍
❍
❍
❍
❍
Drive
section
section
11
Gears (Grease)
✕
✩
✩
✩
✩
✩
✩
✩
✩
12
Belts
✕
✕
✕
✕
✕
✕
✕
✕
(Note 1)
Replacement reference: For replacement, refer to each paper feed counter value.
Paper feed tray 1 and 2
Paper feed tray 1 and 2
: 200K or 1 year
Manual paper feed/paper feed tray 3 and 4
: 100K or 1 year
SPF section
: 100K or 1 year
Torque limiter
: 800K (However, 400K for manual paper feed section)
(NOTE) Paper feed section roller life
Since each roller life is 100K or 200K, if a certain paper feed unit is inten-
sively used, its life may be expired before the regular maintenance timing.
sively used, its life may be expired before the regular maintenance timing.
In actual, however, different sizes of paper are used with different paper feed
trays. Therefore, it is quite rare to have to replace one of the rollers before the
maintenance timing.
trays. Therefore, it is quite rare to have to replace one of the rollers before the
maintenance timing.
When a certain size of paper is used intensively, it is advisable to set two or
more paper feed trays for that paper size as far as possible. This note should
be explained to the user.
more paper feed trays for that paper size as far as possible. This note should
be explained to the user.
When servicing, be sure to check the use frequency of each paper feed tray,
and replace a roller if necessary.
and replace a roller if necessary.
When cleaning rollers, it is advisable to use wet waste cloth to wipe and
clean.
clean.
Since the paper feed trays 3 and 4 are used for larger sizes of paper than the
paper feed trays 1 and 2, the life times of their rollers are shorter than those
of the paper feed rollers 1 and 2.
paper feed trays 1 and 2, the life times of their rollers are shorter than those
of the paper feed rollers 1 and 2.
The degree of wear of the paper pickup roller is greater than that of the paper
feed roller, which greater than that of the separation roller.
feed roller, which greater than that of the separation roller.
(Paper pickup roller > paper feed roller > separation roller)
AR-M550U/M550N (PM: 250K)
When
calling
250K 500K 750K 1000K 1250K 1500K 1750K 2000K
Remark
AR-620U/M620N (PM: 300k)
300K 600K 900K 1200K 1500K 1800K 2100K 2400K
Unit name
No.
Part name
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